Home / 5,549.28-8,323.34-2,086.80

Finding the Fourth Proportional to 5,549.28, 8,323.34 and 2,086.80

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Solution

The fourth proportional to 5,549.28, 8,323.34 and 2,086.80 is: 3,129.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.28 : 8,323.34 = 2,086.80 : x
  2. Step 2: Convert to fraction form
    5,549.28/8,323.34 = 2,086.80/x
  3. Step 3: Cross multiply
    5,549.28x = 8,323.34 × 2,086.80
  4. Step 4: Simplify right side
    5,549.28x = 17,369,145.91
  5. Step 5: Solve for x
    x = 17,369,145.91/5,549.28
  6. Step 6: Final answer
    x = 3,129.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.